The collar has one O-rings for attachment to chains, ties or other bondage gear. Means you can securely lock your sub to the toys of your choice. You can even attach a leash to the collar and lead your sub around and make them follow all of your commands.

Large: The inside diameter is 14.5 cm, the width is 2.0 cm, the thickness is 0.5 cm.The weight of this item is approximately 665g.

Small: The inside diameter is 12.0 cm, the width is 2.0 cm, the thickness is 0.5 cm.The weight of this item is approximately 515g.